 * {
 	padding:0;
 	margin: 0;
 }
 .px2rem(@name, @px) {
   @{name}: @px / 75 * 1rem;
}


.kecheng-top{
	.px2rem(height,110);
	background:#333949;
	img{
		.px2rem(width,15);
		.px2rem(height,28);
	}
	.px2rem(height,98);
	border-bottom: 1px solid #ccc;
	display: flex;
	align-items:center;
	.kecheng-left{
		 width:4em;
		 .px2rem(padding-left,40);
	}
	.kecheng-center{
		flex:1;
		 text-align: center;
        font-size: 35px;
        .px2rem(line-height,98);
	}
	.kecheng-right{
		width:3.5em;
	}
}